426 results
426 results for: grassland
- Archaeology
The world’s oldest pants stitched together cultures from across Asia
A re-creation of a 3,000-year-old horseman’s trousers helped scientists unravel its complex origins.
- Archaeology
Ivory from a 16th century shipwreck reveals new details about African elephants
Ivory from the sunken Portuguese trading ship Bom Jesus contains clues about elephant herds that once roamed Africa, and the people who hunted them.
- Anthropology
Seven footprints may be the oldest evidence of humans on the Arabian Peninsula
In what’s now desert, people and other animals stopped to drink at a lake more than 100,000 years ago, a new study suggests.
- Anthropology
An ancient social safety net in Africa was built on beads
A Stone Age network of communities across southern Africans was established using ostrich shell beads by around 33,000 years ago.
- Paleontology
Why South America’s ancient mammals may have lost out to northern counterparts
When North and South America joined millions of years ago, mammals from the north fared better in the meetup. Extinctions in the south may be why.
- Earth
Mixing trees and crops can help both farmers and the climate
Agriculture is a major driver of climate change and biodiversity loss. But integrating trees into farming practices can boost food production, store carbon and save species.
- Humans
Fossils and ancient DNA paint a vibrant picture of human origins
Paleoanthropologists have sketched a rough timeline of how human evolution played out, centering the early action in Africa.
- Environment
Why planting tons of trees isn’t enough to solve climate change
Massive projects need much more planning and follow-through to succeed – and other tree protections need to happen too.
- Ecosystems
Wildfires launch microbes into the air. How big of a health risk is that?
How does wildfire smoke move bacteria and fungi — and what harm might they do to people when they get there?
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The human story
A century ago, it wasn’t obvious where humans got their start. But decades of fossil discoveries, reinforced by genetic studies, have pointed to Africa as our homeland.
- Archaeology
A Siberian cave contains clues about two epic Neandertal treks
Stone tools and DNA illuminate an earlier and a later journey eastward across Asia.
- Climate
5 things to know about fighting climate change by planting trees
One group’s idea of planting vast swaths of trees to curb climate change exaggerates the proposal’s power to trap carbon, some argue.
